Are you getting a (like "App can't run on this PC") or is the projector just showing a black screen ? Product Support - C120 | Acer United States
: The driver is designed for older standards. Ensure your laptop resolution is set to 1280x768 or lower before launching the file; higher resolutions can prevent the driver from initializing the external display. dlusb-c120.exe
: May require a "Y-cable" (two USB connections) to provide enough power for full brightness. Are you getting a (like "App can't run
: Open that drive and look for dlusb_launcherC120.exe . Double-clicking this file starts the driver installation and projection process. Troubleshooting Common Issues dlusb-c120.exe